39 
few specimens of what is called tile-red copper, 
or tile ore, a mixture of red copper ore and 
brown iron ochre. 
(Case 34.) Ores of copper continued: black 
copper, massive, and as superficial covering to 
other copper ores.—Carbonates of copper : crys¬ 
tallized radiated blue or azure copper, from Ches- 
sy and the Bannat, with barytes, &c., and earthy 
varieties of the same, some of which (called 
mountain blue) have been used as pigments.— 
Crystals passing from the state of blue copper 
into that of green carbonate (cuivre carbonate 
bleu epigene Haiiy .)—-Green carbonates of cop¬ 
per : among which are the beautiful varieties of 
fibrous malachite of velvety appearance, in aei- 
cular crystals, with carbonate of lead, See. 
(Case 3 5.) Ores of copper continued: among 
the specimens of compact malachite the most 
beautiful and characteristic are those from the 
Gumashevsk and Turja mines in the Ural moun¬ 
tains.—In this case is also placed the copper- 
green of Werner, a substance often confounded 
with common green carbonates of copper, but 
which contains much silica : a variety of it is 
the iron shot copper green.—Dioptase, a very 
scarce substance from Siberia, also called emerald 
copper, on account of its pure green colour.— 
Phosphate of copper from Rheinbreitenbach, in 
Nassau.— 
SALOON. 
Nat. Hist. 
